diff --git a/README.md b/README.md
index f0c886a..83fbaec 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,31 @@ var gulpRoutes = require('gulp-routes');
 ```
 
 ## API
+### [.routesPlugin](index.js#L28)
+
+Create a routes plugin that runs middleware defined on a router.
+
+* `router` **{Object}**: Instance of an [en-route] router    
+* `returns` **{Function}**: New function for creating a router stream.  
+
+```js
+var gulpRoutes = require('gulp-routes');
+var router = require('en-route');
+var routes = gulpRoutes(router);
+```
+
+### [.routes](index.js#L49)
+
+Create a router stream to run middleware for the specified method.
+
+* `method` **{String}**: Method to run middleware for.    
+* `returns` **{Stream}**: Stream for piping files through  
+
+```js
+gulp.src('*.hbs')
+  .pipe(routes())
+  .pipe(gulp.dest('_gh_pages/'));
+```
 
 
 ## Contributing
@@ -40,4 +65,4 @@ Released under the MIT license
 
 ***
 
-_This file was generated by [verb](https://github.com/assemble/verb) on December 09, 2014._
\ No newline at end of file
+_This file was generated by [verb](https://github.com/assemble/verb) on December 10, 2014._
\ No newline at end of file
diff --git a/index.js b/index.js
index 360bbb6..71ac741 100644
--- a/index.js
+++ b/index.js
@@ -7,6 +7,68 @@
 
 'use strict';
 
-module.exports = function () {
-  // do stuff
-};
\ No newline at end of file
+var through = require('through2');
+var gutil = require('gulp-util');
+
+/**
+ * Create a routes plugin that runs middleware defined on a router.
+ *
+ * ```js
+ * var gulpRoutes = require('gulp-routes');
+ * var router = require('en-route');
+ * var routes = gulpRoutes(router);
+ * ```
+ *
+ * @name  routesPlugin
+ * @param  {Object}   `router` Instance of an [en-route] router
+ * @return {Function} New function for creating a router stream.
+ * @api public
+ */
+
+module.exports = function routesPlugin(router) {
+  router = router || (this && this.router);
+  if (!router) {
+    throw new gutil.PluginError('gulp-routes', new Error('Expected a valid router object.'));
+  }
+
+  /**
+   * Create a router stream to run middleware for the specified method.
+   *
+   * ```js
+   * gulp.src('*.hbs')
+   *   .pipe(routes())
+   *   .pipe(gulp.dest('_gh_pages/'));
+   * ```
+   *
+   * @name  routes
+   * @param  {String} `method` Method to run middleware for.
+   * @return {Stream} Stream for piping files through
+   * @api public
+   */
+
+  return function routes (method) {
+    method = method || 'all';
+
+    return through.obj(function (file, encoding, cb) {
+      var stream = this;
+      try {
+        file.options = file.options || {};
+        file.options.method = method;
+        // run middleware
+        router.handle(file, function (err) {
+          if (err) {
+            stream.emit('error', new gutil.PluginError('gulp-routes', err));
+            cb();
+          } else {
+            stream.push(file);
+            cb();
+          }
+        });
+      } catch (ex) {
+        stream.emit('error', new gutil.PluginError('gulp-routes - handle', ex));
+        cb();
+      }
+    });
+  };
+};
+
diff --git a/package.json b/package.json
index 2b29b2f..fc6d1f0 100644
--- a/package.json
+++ b/package.json
@@ -26,8 +26,13 @@
     "test": "mocha -R spec"
   },
   "devDependencies": {
+    "en-route": "^0.3.3",
     "mocha": "*",
     "should": "*"
   },
-  "keywords": []
+  "keywords": [],
+  "dependencies": {
+    "gulp-util": "^3.0.1",
+    "through2": "^0.6.3"
+  }
 }
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..34255bd
--- /dev/null
+++ b/test.js
@@ -0,0 +1,187 @@
+/**
+ * Assemble <http://assemble.io>
+ *
+ * Copyright (c) 2014 Jon Schlinkert, Brian Woodward, contributors
+ * Licensed under the MIT License (MIT).
+ */
+'use strict';
+
+var should = require('should');
+var through = require('through2');
+var File = require('gulp-util').File;
+var Router = require('en-route').Router;
+var gulpRoutes = require('./');
+
+describe('gulp-routes', function() {
+  it('should route files', function(done) {
+
+    var fakeFile = new File({
+      cwd: 'src/templates',
+      base: 'src/templates',
+      path: 'src/templates/alert.hbs',
+      contents: new Buffer('---\ntitle: sup\n---\n{{upper title}}')
+    });
+
+    var router = new Router();
+    router.all(/\.hbs/, function (file, next) {
+      file.data = file.data || {};
+      file.data.middleware = true;
+      next();
+    });
+
+    var routes = gulpRoutes(router);
+    var stream = routes();
+    stream.on('data', function (file) {
+      file.data.middleware.should.be.true;
+    });
+
+    stream.on('end', done);
+
+    stream.write(fakeFile);
+    stream.end();
+  });
+
+  it('should route files with a router from `this`', function (done) {
+    var fakeFile = new File({
+      cwd: 'src/templates',
+      base: 'src/templates',
+      path: 'src/templates/alert.hbs',
+      contents: new Buffer('---\ntitle: sup\n---\n{{upper title}}')
+    });
+
+    var app = {};
+    app.router = new Router();
+    app.router.all(/\.hbs/, function (file, next) {
+      file.data = file.data || {};
+      file.data.middleware = true;
+      next();
+    });
+
+    var routes = gulpRoutes.call(app);
+    var stream = routes();
+    stream.on('data', function (file) {
+      file.data.middleware.should.be.true;
+    });
+
+    stream.on('end', done);
+
+    stream.write(fakeFile);
+    stream.end();
+  });
+
+  it('should route files to different routes', function (done) {
+    var file1 = new File({
+      cwd: 'src/templates',
+      base: 'src/templates',
+      path: 'src/templates/one.hbs',
+      contents: new Buffer('one')
+    });
+
+    var file2 = new File({
+      cwd: 'src/templates',
+      base: 'src/templates',
+      path: 'src/templates/two.hbs',
+      contents: new Buffer('two')
+    });
+
+    var router = new Router();
+    router.use(function (file, next ) {
+      file.data = file.data || {};
+      next();
+    });
+
+    router.all(/one/, function (file, next) {
+      file.data.one = true;
+      next();
+    });
+
+    router.all(/two/, function (file, next) {
+      file.data.two = true;
+      next();
+    });
+
+    var routes = gulpRoutes(router);
+    var stream = routes();
+    stream.on('data', function (file) {
+      switch (file.contents.toString()) {
+        case 'one':
+          file.data.one.should.be.true;
+          file.data.should.not.have.property('two');
+          break;
+        case 'two':
+          file.data.should.not.have.property('one');
+          file.data.two.should.be.true;
+          break;
+      }
+    });
+
+    stream.on('end', done);
+
+    stream.write(file1);
+    stream.write(file2);
+    stream.end();
+  });
+
+  it('should route on multiple methods', function (done) {
+    var fakeFile = new File({
+      cwd: 'src/templates',
+      base: 'src/templates',
+      path: 'src/templates/one.hbs',
+      contents: new Buffer('one')
+    });
+
+    var router = new Router({
+      methods: ['before', 'after']
+    });
+
+    router.use(function (file, next) {
+      file.data = file.data || {};
+      next();
+    });
+
+    router.before(/\./, function (file, next) {
+      file.data.before = true;
+      next();
+    });
+
+    router.after(/\./, function (file, next) {
+      file.data.after = true;
+      next();
+    });
+
+    var routes = gulpRoutes(router);
+    var beforeStream = routes('before');
+    var afterStream = routes('after');
+
+    beforeStream
+      .pipe(through.obj(function (file, enc, cb) {
+        file.data.before.should.be.true;
+        file.data.should.not.have.property('after');
+        this.push(file);
+        cb();
+      }))
+      .pipe(afterStream);
+
+    afterStream.on('data', function (file) {
+      file.data.before.should.be.true;
+      file.data.after.should.be.true;
+    });
+
+    afterStream.on('end', done);
+
+    beforeStream.write(fakeFile);
+    beforeStream.end();
+  });
+
+  it('should throw an error when a router is\'t provided.', function (done) {
+    try {
+      var routes = gulpRoutes();
+      return done(new Error('Expected an error to be thrown'));
+    } catch (err) {
+      if (!err) return done(new Error('Expected an error to be thrown'));
+      done();
+    }
+  });
+
+
+});